# MATERION CORP (MTRN) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 576690101
Page URL: https://superinvestorclub.com/stock/MTRN
Last updated: 2026-08-29T13:48:59.522Z

## Summary

As of the most recent 13F filing period, MATERION CORP (MTRN) is held by 2 tracked superinvestors with an aggregate position value of $71.9M representing 02386003213 shares.

## Top institutional holders (2)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [First Eagle](https://superinvestorclub.com/manager/21222) | First Eagle Investment Management | 238600 | $71.0M | 0.06% | 2026-06-30 |
| 2 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 3213 | $955,514 | 0.00% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2025-09-30: 1 holders, $3.0M aggregate, 024500 shares
- 2025-12-31: 1 holders, $7.2M aggregate, 058000 shares
- 2026-03-31: 2 holders, $15.3M aggregate, 01019503662 shares
- 2026-06-30: 2 holders, $71.9M aggregate, 02386003213 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "MATERION CORP (MTRN) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/MTRN), aggregating SEC 13F, Form 4, and congressional disclosures."